6243/44 DC Voltage Current Source/Monitor Operation Manual
A.1 When Problems Occur (Before Requesting Repairs)
A-2
3
The measurement
value is not output.
Cause
Solution
The system is set in the Standby mode.
Set to the Operate mode and confirm with the front panel
LED
.
Cause
Solution
Measurement not set to ON.
Confirm the measurement ON/OFF condition.
Cause
Solution
When measuring in the auto range, the measurement value is unstable
and measurement data cannot be output.
Change to a fixed range and measure.
Cause
Solution
No trigger signal is input with an external trigger specified.
- Check the TRIG INPUT connection cable and signal.
- Check the trigger input setting.
4
The source value or
measurement value
is unstable or an
irregular value is
indicated.
Cause
Solution
An error in function or range setting.
Check the settings.
Cause
Solution
The 50 Hz or 60 Hz power supply frequency is set incorrectly.
Set to a suitable frequency.
Cause
Solution
Incorrect cable connection.
Check the cable connection.
Cause
Solution
A break in the cable.
Check the cable and replace if necessary.
Cause
Solution
The cable is connected to an incorrect terminal.
Check the cable connection.
Cause
Solution
No appropriate shield is made to measure or output the low current.
Connect the cable according to the precautions for low-current mea-
surement.
Cause
Solution
Measurement values are dispersed due to the inductive noise.
Set the minimum integral time to 1 PLC or higher.
5
The measurement
value exceeds the
range.
Cause
Solution
When a source value or limit value is set to full scale, the measurement
value becomes over-ranged with an error value.
Increase the source or limit range.
Set source value and limit value to less than the full scale.
Table A-1 Inspection Items Before Requesting Repairs (2 of 2)
Q (symptom)
A (causes and solutions)
